Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 268
ly indicated. Below the sketch in beam details, is always given the specifica-tion of size and weight of beam or channel and the overall length,the number of pieces wanted and the mark to be put on them. Thisspecification is used by the mill in entering the order for its rollinglist and it is… … §^ o .S3 I O 1 Fig. 197. 217 208 STEEL- CONSTRUCTION. S/JS:0-f//o<j/-i/ - ^ ^ < Vi
Architecture · Building · Carpentry
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